| Napa to Buena Park (California) | 389.36 mi (626.62 km) |
| Napa to Buenaventura Lakes (Florida) | 2,440.63 mi (3,927.81 km) |
| Napa to Buffalo (Minnesota) | 1,532.00 mi (2,465.52 km) |
| Napa to Buffalo (New York) | 2,276.05 mi (3,662.95 km) |
| Napa to Buffalo Grove (Illinois) | 1,818.48 mi (2,926.57 km) |
| Napa to Buford (Georgia) | 2,139.85 mi (3,443.76 km) |
| Napa to Bull Run (Virginia) | 2,395.57 mi (3,855.30 km) |
| Napa to Bullhead City (Arizona) | 482.15 mi (775.95 km) |
| Napa to Burbank (California) | 360.13 mi (579.57 km) |
| Napa to Burbank (Illinois) | 1,830.22 mi (2,945.46 km) |
| Napa to Burien (Washington) | 634.19 mi (1,020.63 km) |
| Napa to Burkburnett (Texas) | 1,351.29 mi (2,174.68 km) |
| Napa to Burke (Virginia) | 2,409.07 mi (3,877.03 km) |
| Napa to Burke Centre (Virginia) | 2,406.95 mi (3,873.60 km) |
| Napa to Burleson (Texas) | 1,456.53 mi (2,344.06 km) |
